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Illinois   Illinois Profile

State Profile and Energy Estimates

Profile Overview

Quick Facts

  • Illinois is the fifth-largest energy-consuming state in the nation, and its industrial sector, which includes petroleum refining and coal mining, uses the most energy of any end-use sector in the state.
  • Illinois ranks fourth in the nation in crude oil refining capacity and leads the Midwest with a refining capacity of nearly 1 million barrels per calendar day.
  • The estimated coal reserves in Illinois are the second-largest after Montana, and the state's coal mines account for 6% of U.S. coal production.
  • Illinois has the third-largest ethanol production capacity (1.9 billion gallons) and the fourth-largest biodiesel fuel production capacity (184 million gallons). 
  • Illinois ranked first in the nation in 2018 in net electricity generation from nuclear power, and the state's six nuclear plants accounted for 12% of U.S. nuclear power generation.

Last Updated: April 18, 2019

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